Hello,in the last days I had some old BTTB cars with the old BTTB couplers up and running. I always had trouble keeping them coupled together. I couldn't find a solution on the internet. At first, I was planning to replace the old ones with the new Tillig coupler. But now I don't have to. Here is my solution to this - no longer -problem: 1x1mm neodymium magnets.Bjoern

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You gotta do much more than believe if you really wanna change things!